CN102195406A - Diffusion current-separation ring and generator - Google Patents
Diffusion current-separation ring and generator Download PDFInfo
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- CN102195406A CN102195406A CN201010138547XA CN201010138547A CN102195406A CN 102195406 A CN102195406 A CN 102195406A CN 201010138547X A CN201010138547X A CN 201010138547XA CN 201010138547 A CN201010138547 A CN 201010138547A CN 102195406 A CN102195406 A CN 102195406A
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- snail tongue
- diffusion
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Abstract
The invention provides a diffusion current-separation ring and a generator. The diffusion current-separation ring comprises a first circular shell, a second circular shell, a worm-tongue set and a third shell set, wherein the worm-tongue set comprises a plurality of worm-tongues which are uniformly distributed between the first circular shell and the second circular shell; the top of each worm-tongue is an open acute angled groove; a side plate of each worm-tongue is connected to the first circular shell, while the other side plate is connected to the second circular shell; and the third shell set comprises a plurality of third shells which are arranged on the tops of the worm-tongues to seal the worm-tongues. The diffusion current-separation ring and the generator of the invention are sleeved on a fan through the diffusion current-separation ring and are positioned between the fan and an air inlet; the worm-tongues of the diffusion current-separation ring are uniformly distributed on a structure between the first and second circular shells; the eddy currents generated between the fan and air inlet are eliminated; and the cooling efficiency of the air-cooling system is improved, so the aim of improving the generation efficiency of the generator is fulfilled.
Description
Technical field
The present invention relates to technical field of generators, relate in particular to a kind of diffusion every stream circle and generator.
Background technology
As everyone knows, a large amount of heat that generator can produce in the process of work, its included air cooling system then play the circulation of acceleration generator inner air and the effect of dispelling the heat.
Particularly, shown in the partial sectional view that Fig. 1 is generator in the prior art, the air cooling system of prior art generator comprises fan 11, air inlet 12, wind passage 13 and air outlet 14; Wherein, wind passage 13 is arranged in the wall of support 15, and air inlet 12 and air outlet 13 all are arranged on the inwall of support, and this air inlet 12 and air outlet 13 are distributed in the both sides of wind passage 13,11 in this fan is arranged at support 15 inside and is sheathed in the rotating shaft 16, and corresponding to air inlet 12.In the process of generator for electricity generation, can be subjected to transmission to drive fan 11 by rotating shaft 16 and carry out high speed rotating, and then can realize making the generator inner air to import air duct 13 through air inlet 12 by fan 11, and the high speed circulation of coming out from air outlet 14 through air duct 13 again is to carry out air-cooled to generator.
The inventor is in the production practices of being engaged in technical field of generators for a long time, find that there is following defective at least in the air cooling system in the prior art generator: according to hydromechanical basic principle, because fan 11 differs more greatly with air inlet 12 sizes, have bigger space between the two, and there is not excessive structure between fan 11 and the air inlet 12, this just makes by a large amount of air of the fan 11 of large-size, when the air inlet 12 of process reduced size enters wind passage 13, will in bigger space, produce eddy current; The generation of eddy current, it is not smooth not only to ventilate, and has reduced the cooling effectiveness of air cooling system, and because generator needs consumed energy to overcome the eddy current generating, thereby also reduced the generating efficiency of generator.
Summary of the invention
The invention provides a kind of diffusion every stream circle and generator, in order to solve in the prior art because and fan do not have excessive structure with air inlet, and between fan and air inlet the defective of generation eddy current.
An aspect of of the present present invention provides a kind of diffusion every the stream circle, wherein, comprises the first annulus shell, the second annulus shell, snail tongue group and the 3rd shell group; Described snail tongue group comprises a plurality of snail tongues, and a plurality of described snail tongue is distributed between the described first annulus shell and the second annulus shell equably;
Described snail tongue is that the top is open acute groove, and the side plate of described snail tongue is connected in the described first annulus shell, and another side plate of described snail tongue is connected in the described second annulus shell;
Described the 3rd shell group comprises a plurality of the 3rd shells, and described the 3rd shell is arranged at the top of described snail tongue, to seal described snail tongue.
Another aspect of the present invention provides a kind of generator, comprises air cooling system, rotating shaft and support, and described air cooling system comprises fan and air inlet, and described air inlet is arranged on the inwall of described support; Described fan fixed cover is located in the described rotating shaft, and corresponding with described air inlet, and wherein, this generator comprises that also above-mentioned diffusion is every the stream circle; And described diffusion is located on the described fan every the stream snare, and between described fan and air inlet.
Diffusion of the present invention is located on the fan every the stream snare by diffusion every stream circle and generator, and between fan and air inlet, and a plurality of snail tongues of being had every the stream circle of this diffusion are distributed in the structure between the first annulus shell and the second annulus shell equably; Solved in the prior art because and fan and air inlet do not have excessive structure, and between fan and air inlet, easily produce the defective of eddy current, eliminated the eddy current that produces between fan and air inlet, therefore the air of generator inside can smooth and easyly circulate, improved the cooling effectiveness of air cooling system, and since generator in the process of generating no longer waste overcome the energy of eddy current, thereby reached the purpose that improves generator for electricity generation efficient.
Description of drawings
Fig. 1 is the partial sectional view of generator in the prior art;
Fig. 2 is the stereogram of diffusion of the present invention every the stream circle;
Fig. 3 is the end view of diffusion of the present invention every the stream circle;
Fig. 4 is the cutaway view of A-A direction among Fig. 3;
Fig. 5 is the partial sectional view of generator of the present invention.
Embodiment
Embodiment one
Fig. 2 is the stereogram of diffusion of the present invention every the stream circle.Fig. 3 is the end view of diffusion of the present invention every the stream circle; Fig. 4 is the cutaway view of A-A direction among Fig. 3.In conjunction with Fig. 2, Fig. 3 and shown in Figure 4, the diffusion of present embodiment comprises the first annulus shell 11, the second annulus shell 12, snail tongue group and the 3rd shell group every stream; Wherein, snail tongue group comprises a plurality of snail tongues 13, is 6 snail tongues 13 (but being not limited only to 6 snail tongues 13) in the present embodiment, and this snail tongue 13 is open acute groove for the top, and this acute groove comprises two side plates and biside plate; The first annulus shell 11 can be a circular ring plate, and the second annulus shell 12 is trapezoidal annulus for the cross section, and the cross section is that the angle of the cone angle 17 of trapezoidal annulus can be 30 degree to 40 degree.
As Fig. 2 and shown in Figure 4,6 snail tongues 13 are distributed between the first annulus shell 11 and the second annulus shell 12 equably, and the side plate of snail tongue 13 is connected in the first annulus shell 11, and another side plate of snail tongue 13 is connected in the second annulus shell 12.Particularly, the side plate of snail tongue 13 is connected on the outer wall of annulus, and another side plate of snail tongue 13 is connected in circular ring plate, and the top of snail tongue 13 is provided with every the periphery of stream circle towards this diffusion; Moreover the top of snail tongue 13 can be arc, and matches with the outline of annulus and circular ring plate, to form the outline of slick and sly diffusion every the stream circle; The 3rd shell group comprises a plurality of the 3rd shells 14, each the 3rd shell 14 corresponding snail tongue 13, the 3rd shell 14 is the circular arc lid that matches with the top of snail tongue 13, the 3rd shell 14 can be arranged at the top of snail tongue 13, becomes one every the outline of stream circle with sealing snail tongue 13 and with the diffusion of slyness.Based on said structure, in actual applications, the wind-guiding angle 15 of snail tongue 13 is that 60 degree are to 70 degree, wind-guiding angle 15 is a side plate of snail tongue 13 and the angle between first tangent line, the tangent line of this first tangent line for doing with first point of contact, and this first point of contact is a side plate of snail tongue 13 and this diffusion junction every the outline of stream circle; The choke angle 16 of snail tongue 13 is that 30 degree are to 40 degree, choke angle 16 is another side plate of snail tongue 13 and the angle between second tangent line, the tangent line of this second tangent line for doing with second point of contact, and this second point of contact another side plate that is snail tongue 13 and this diffusion are every the junction of the outline of stream circle.
In actual applications, the diffusion of present embodiment can be applied in the generator every the stream circle, this generator comprises air cooling system, rotating shaft and support, and this air cooling system comprises fan and air inlet, and air inlet is arranged on the inwall of support; The fan fixed cover is located in the rotating shaft, and corresponding with air inlet; And the diffusion of present embodiment is located on the fan every the stream snare, and between fan and air inlet.Particularly, in the process of generator for electricity generation, can be subjected to transmission to drive fan by rotating shaft and carry out high speed rotating, at fan air is imported when importing the included air duct of air cooling system through air inlet, can adopt the diffusion of present embodiment as excessive structure air capacity to be regulated every the stream circle, therefore can avoid air entering in the process of wind passage by fan and through air inlet, because fan is with the air inlet size differs more greatly and the bigger space of existence between the two, and the eddy current that in this space, is produced.
The diffusion of present embodiment is every the stream circle, can be applicable in the generator, be located on the included fan of generator every the stream snare by diffusion, and between fan and air inlet, and a plurality of snail tongues of being had every stream circle of this diffusion are distributed in the structure between the first annulus shell and the second annulus shell equably; Solved in the prior art because and fan and air inlet do not have excessive structure, and between fan and air inlet, easily produce the defective of eddy current, eliminated the eddy current that produces between fan and air inlet, therefore the air of generator inside can smooth and easyly circulate, improved the cooling effectiveness of air cooling system, and since generator in the process of generating no longer waste overcome the energy of eddy current, thereby reached the purpose that improves generator for electricity generation efficient.
Embodiment two
Fig. 5 is the partial sectional view of generator of the present invention.The generator of present embodiment comprises air cooling system, rotating shaft 16 and support 15, and air cooling system comprises fan 11, air inlet 12, wind passage 13 and air outlet 14; Wherein, wind passage 13 is arranged in the wall of support 15, air inlet 12 and air outlet 13 all are arranged on the inwall of support, this air inlet 12 and air outlet 13 are distributed in the both sides of wind passage 13,11 in this fan is arranged at support 15 inside and is sheathed in the rotating shaft 16, and corresponding to air inlet 12, wherein, the present embodiment generator comprises that also the diffusion of the foregoing description is every stream circle 17; And diffusion is sheathed on the fan 11 every stream circle 17, and between fan 11 and air inlet 12, this diffusion comprises the foregoing description diffusion each structure member every the stream circle every stream circle 17, repeats no more here.
In the process of generator for electricity generation, can be subjected to transmission to drive fan 11 by rotating shaft 106 and carry out high speed rotating, at fan 11 air is imported when importing the included air duct 13 of air cooling systems through air inlet 12, can adopt diffusion for excessive structure air capacity to be regulated every stream circle work 17, therefore can avoid air entering in the process of wind passage 13 by fan 11 and through air inlet 12, because fan 11 differs more greatly with air inlet 12 sizes and has bigger space between the two, and the eddy current that in this space, is produced; And then guaranteed that the generator inner air imports air duct 13 by fan 11 through air inlet 12, and the high speed circulation of coming out from air outlet 14 through air duct 13 again, to carry out air-cooled to generator.
The diffusion of present embodiment is every the stream circle, can be applicable in the generator, be located on the included fan of generator every the stream snare by diffusion, and between fan and air inlet, and a plurality of snail tongues of being had every stream circle of this diffusion are distributed in the structure between the first annulus shell and the second annulus shell equably; Solved in the prior art because and fan and air inlet do not have excessive structure, and between fan and air inlet, easily produce the defective of eddy current, eliminated the eddy current that produces between fan and air inlet, therefore the air of generator inside can smooth and easyly circulate, improved the cooling effectiveness of air cooling system, and since generator in the process of generating no longer waste overcome the energy of eddy current, thereby reached the purpose that improves generator for electricity generation efficient.
It should be noted that at last: above embodiment only in order to technical scheme of the present invention to be described, is not intended to limit; Although with reference to previous embodiment the present invention is had been described in detail, those of ordinary skill in the art is to be understood that: it still can be made amendment to the technical scheme that aforementioned each embodiment put down in writing, and perhaps part technical characterictic wherein is equal to replacement; And these modifications or replacement do not make the essence of appropriate technical solution break away from the spirit and scope of various embodiments of the present invention technical scheme.
Claims (8)
1. a diffusion is characterized in that every the stream circle, comprises the first annulus shell, the second annulus shell, snail tongue group and the 3rd shell group; Described snail tongue group comprises a plurality of snail tongues, and a plurality of described snail tongue is distributed between the described first annulus shell and the second annulus shell equably;
Described snail tongue is that the top is open acute groove, and the side plate of described snail tongue is connected in the described first annulus shell, and another side plate of described snail tongue is connected in the described second annulus shell;
Described the 3rd shell group comprises a plurality of the 3rd shells, and described the 3rd shell is arranged at the top of described snail tongue, to seal described snail tongue.
2. diffusion according to claim 1 is characterized in that every the stream circle the described first annulus shell is a circular ring plate, and the described second annulus shell is that the cross section is trapezoidal annulus.
3. diffusion according to claim 2 is every the stream circle, it is characterized in that, the side plate of described snail tongue is connected on the outer wall of described annulus, and another side plate of described snail tongue is connected in described circular ring plate, and the top of described snail tongue is provided with every the periphery of flowing circle towards this diffusion.
4. diffusion according to claim 3 is characterized in that the top of described snail tongue is an arc, and matches with the outline of described annulus and described circular ring plate every the stream circle, to form the outline of slick and sly diffusion every the stream circle.
5. diffusion according to claim 1 is every the stream circle, it is characterized in that, the wind-guiding angle of described snail tongue is that 60 degree are to 70 degree, described wind-guiding angle is a side plate of described snail tongue and the angle between first tangent line, the tangent line of described first tangent line for doing with first point of contact, described first point of contact are a side plate of described snail tongue and this diffusion junction every the outline of stream circle.
6. diffusion encloses every stream according to claim 1 or 5, it is characterized in that, the choke angle of described snail tongue is that 30 degree are to 40 degree, described choke angle is another side plate of described snail tongue and the angle between second tangent line, the tangent line of described second tangent line for doing with second point of contact, another side plate that described second point of contact is described snail tongue and this diffusion are every the junction of the outline of stream circle.
7. diffusion according to claim 2 is characterized in that every stream circle, and described cross section is that the angle of the cone angle of trapezoidal annulus is that 30 degree are to 40 degree.
8. a generator comprises air cooling system, rotating shaft and support, and described air cooling system comprises fan and air inlet, and described air inlet is arranged on the inwall of described support; Described fan fixed cover is located in the described rotating shaft, and corresponding with described air inlet, it is characterized in that, this generator comprises that also the described diffusion of aforesaid right requirement 1 to 7 arbitrary claim is every the stream circle;
And described diffusion is located on the described fan every the stream snare, and between described fan and air inlet.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201010138547 CN102195406B (en) | 2010-03-19 | 2010-03-19 | Diffusion current-separation ring and generator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201010138547 CN102195406B (en) | 2010-03-19 | 2010-03-19 | Diffusion current-separation ring and generator |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102195406A true CN102195406A (en) | 2011-09-21 |
| CN102195406B CN102195406B (en) | 2013-02-13 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201010138547 Active CN102195406B (en) | 2010-03-19 | 2010-03-19 | Diffusion current-separation ring and generator |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112313859A (en) * | 2018-06-22 | 2021-02-02 | 康明斯发电机技术有限公司 | Assembly of power generation system |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2000139058A (en) * | 1998-11-02 | 2000-05-16 | Denso Corp | Alternator for vehicle |
| CN2765376Y (en) * | 2004-11-22 | 2006-03-15 | 上海电器科学研究所（集团）有限公司 | Fan structure of common cage type three-phase asynchronous motor |
| EP1777798A1 (en) * | 2004-08-09 | 2007-04-25 | Mitsubishi Denki Kabushiki Kaisha | Rotating electric machine |
-
2010
- 2010-03-19 CN CN 201010138547 patent/CN102195406B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2000139058A (en) * | 1998-11-02 | 2000-05-16 | Denso Corp | Alternator for vehicle |
| EP1777798A1 (en) * | 2004-08-09 | 2007-04-25 | Mitsubishi Denki Kabushiki Kaisha | Rotating electric machine |
| CN2765376Y (en) * | 2004-11-22 | 2006-03-15 | 上海电器科学研究所（集团）有限公司 | Fan structure of common cage type three-phase asynchronous motor |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112313859A (en) * | 2018-06-22 | 2021-02-02 | 康明斯发电机技术有限公司 | Assembly of power generation system |
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| Publication number | Publication date |
|---|---|
| CN102195406B (en) | 2013-02-13 |
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Address after: 044502 Yongji City, Shanxi Province, the city of motor street, No. 18, No. Patentee after: CRRC YONGJI ELECTRIC CO., LTD. Address before: 044502 No. 18 motor street, Shanxi, Yongji Patentee before: Yongji Xinshisu Motor Electrical Appliance Co., Ltd. |
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